1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun * 3*4882a593Smuzhiyun * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com> 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun#include <linux/linkage.h> 7*4882a593Smuzhiyun#include <cpu/mmu_context.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun/* 10*4882a593Smuzhiyun * Kernel mode register usage: 11*4882a593Smuzhiyun * k0 scratch 12*4882a593Smuzhiyun * k1 scratch 13*4882a593Smuzhiyun * For more details, please have a look at entry.S 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun#define k0 r0 17*4882a593Smuzhiyun#define k1 r1 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunENTRY(wakeup_start) 20*4882a593Smuzhiyun! clear STBY bit 21*4882a593Smuzhiyun mov #-126, k1 22*4882a593Smuzhiyun and #127, k0 23*4882a593Smuzhiyun mov.b k0, @k1 24*4882a593Smuzhiyun! enable refresh 25*4882a593Smuzhiyun mov.l 5f, k1 26*4882a593Smuzhiyun mov.w 6f, k0 27*4882a593Smuzhiyun mov.w k0, @k1 28*4882a593Smuzhiyun! jump to handler 29*4882a593Smuzhiyun mov.l 4f, k1 30*4882a593Smuzhiyun jmp @k1 31*4882a593Smuzhiyun nop 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun .align 2 34*4882a593Smuzhiyun4: .long handle_interrupt 35*4882a593Smuzhiyun5: .long 0xffffff68 36*4882a593Smuzhiyun6: .word 0x0524 37*4882a593Smuzhiyun 38*4882a593SmuzhiyunENTRY(wakeup_end) 39*4882a593Smuzhiyun nop 40